DBZ-1720 Remove separate formatting check due to core dependency

.github/workflows/formatting-check.yml

@@ -1,23 +0,0 @@
-name: Formatting Check
-on:
-  pull_request:
-    branches: [ master ]
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Set up JDK
-        uses: actions/setup-java@v1.3.0
-        with:
-          java-version: "14"
-
-      - uses: actions/cache@v1
-        with:
-          path: ~/.m2/repository
-          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
-          restore-keys: |
-            ${{ runner.os }}-maven-
-      - name: Run formatting and import order checks
-        run: mvn clean install -DskipTests=true -DskipITs=true -Dformat.formatter.goal=validate -Dformat.imports.goal=check